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2026-04-01 - 11:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Apr 01, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6002216181,7sleep10-21swapper/119:09:141
5771212664,7sleep20-21swapper/219:06:142
58612114104,7sleep30-21swapper/319:07:233
5971210999,7sleep00-21swapper/019:08:490
52492640,1sleep10-21swapper/120:30:181
164842610,0sleep340-21ksoftirqd/322:10:003
235212580,0sleep00-21swapper/021:15:190
167892570,0sleep10-21swapper/121:10:191
38832560,0sleep00-21swapper/022:25:180
272532550,0sleep00-21swapper/023:15:160
324882540,0sleep20-21swapper/221:25:172
136282410,0sleep00-21swapper/000:35:140
623999291,27cyclictest0-21swapper/221:37:562
623999270,26cyclictest0-21swapper/221:44:532
623599270,26cyclictest0-21swapper/123:50:251
623599270,26cyclictest0-21swapper/123:14:001
623599270,26cyclictest0-21swapper/122:55:391
623599270,26cyclictest0-21swapper/122:54:501
623599270,26cyclictest0-21swapper/122:38:091
623599270,26cyclictest0-21swapper/122:02:081
623599270,26cyclictest0-21swapper/121:51:561
623599270,26cyclictest0-21swapper/121:39:441
623599270,26cyclictest0-21swapper/121:34:031
623599270,26cyclictest0-21swapper/121:23:051
623599270,26cyclictest0-21swapper/121:02:141
623599270,26cyclictest0-21swapper/120:57:051
623599270,26cyclictest0-21swapper/120:44:591
623599270,26cyclictest0-21swapper/120:19:141
623599270,26cyclictest0-21swapper/120:10:091
623599270,26cyclictest0-21swapper/100:34:161
623599270,26cyclictest0-21swapper/100:25:041
623599270,26cyclictest0-21swapper/100:22:181
623599270,26cyclictest0-21swapper/100:07:551
623599270,26cyclictest0-21swapper/100:04:071
6239992622,3cyclictest0-21swapper/220:31:142
623999260,25cyclictest0-21swapper/220:43:422
623599260,25cyclictest0-21swapper/123:55:371
623599260,25cyclictest0-21swapper/123:23:511
623599260,25cyclictest0-21swapper/123:23:501
623599260,25cyclictest0-21swapper/123:05:021
623599260,25cyclictest0-21swapper/123:02:121
623599260,25cyclictest0-21swapper/122:47:541
623599260,25cyclictest0-21swapper/122:41:351
623599260,25cyclictest0-21swapper/122:31:451
623599260,25cyclictest0-21swapper/122:29:051
623599260,25cyclictest0-21swapper/122:18:351
623599260,25cyclictest0-21swapper/122:08:421
623599260,25cyclictest0-21swapper/121:45:291
623599260,25cyclictest0-21swapper/121:25:441
623599260,25cyclictest0-21swapper/120:53:421
623599260,25cyclictest0-21swapper/120:28:421
623599260,25cyclictest0-21swapper/120:22:411
623599260,25cyclictest0-21swapper/119:49:021
623599260,25cyclictest0-21swapper/119:40:411
623599260,25cyclictest0-21swapper/119:22:551
6230992622,3cyclictest0-21swapper/022:43:330
6235992518,7cyclictest0-21swapper/121:15:031
623599250,24cyclictest0-21swapper/123:18:331
623599250,24cyclictest0-21swapper/121:56:361
623599250,24cyclictest0-21swapper/120:09:171
623999245,17cyclictest0-21swapper/223:15:122
6239992417,7cyclictest0-21swapper/200:00:012
623999241,22cyclictest0-21swapper/219:19:342
623999240,17cyclictest0-21swapper/220:25:162
623599240,23cyclictest0-21swapper/119:30:191
623999231,21cyclictest0-21swapper/220:35:352
623599230,22cyclictest0-21swapper/121:44:061
623999228,13cyclictest0-21swapper/222:45:212
6239992218,3cyclictest0-21swapper/223:53:402
6239992218,3cyclictest0-21swapper/223:01:182
623999221,20cyclictest0-21swapper/223:40:392
623999221,20cyclictest0-21swapper/222:58:412
623999220,21cyclictest0-21swapper/222:51:032
623999220,21cyclictest0-21swapper/221:55:182
623999220,21cyclictest0-21swapper/219:49:502
623999220,21cyclictest0-21swapper/200:13:522
623599220,21cyclictest0-21swapper/123:47:101
623599220,21cyclictest0-21swapper/123:42:091
623599220,21cyclictest0-21swapper/123:37:481
623599220,21cyclictest0-21swapper/123:31:481
623599220,21cyclictest0-21swapper/121:06:421
623599220,21cyclictest0-21swapper/120:49:081
623599220,21cyclictest0-21swapper/120:00:591
623599220,21cyclictest0-21swapper/119:52:211
623599220,21cyclictest0-21swapper/119:52:201
623599220,21cyclictest0-21swapper/100:37:101
623099220,19cyclictest280-21systemd-journal20:11:200
6239992117,3cyclictest0-21swapper/200:22:552
6239992116,5cyclictest0-21swapper/221:50:162
623999210,3cyclictest0-21swapper/222:34:472
623999210,2cyclictest0-21swapper/220:05:122
623999210,20cyclictest0-21swapper/223:45:462
623999210,20cyclictest0-21swapper/220:50:222
623999210,20cyclictest0-21swapper/219:43:172
623999210,20cyclictest0-21swapper/219:27:342
623999210,20cyclictest0-21swapper/219:13:042
623599217,13cyclictest0-21swapper/100:15:161
623599210,20cyclictest0-21swapper/120:36:051
623599210,20cyclictest0-21swapper/119:56:321
623599210,20cyclictest0-21swapper/119:17:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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